Delete row ('1929', '20733') from daily_volatility

ticker_id 1929
day 20733
implied_open 0.8222995074788748
implied_high 0.9477081196233365
implied_low 0.6635544288149993
implied_close 0.9477081196233365
historical_open 0.4555983757653225
historical_high 0.4555983757653225
historical_low 0.4555983757653225
historical_close 0.4555983757653225
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